1998-2000 Four Winns Horizon 200 220 240 Sundowner 205 225 245 Classic Owners Manual

b.
c.
Worn points or incorrect gap on points.
NOTICE
For information on CO Detection Systems, see
American  Boat   and  Yacht Council   (ABYC
Manual) Section A-24, “Carbon Monoxide De-
tectors”.
Shorted or opened  circuit high tension spark
plug cables.
d.
Incorrect ignition timing.
Even with the best of boat design and construction plus
utmost care in inspection, operation, and maintenance,
hazardous levels of CO may still be present in accom-
modation spaces under certain conditions.  Continuing
observation of passengers for symptoms of  CO intoxi-
cation can be supplemented by an alarm type CO detec-
tion device in the accommodation space.
4.
General
a.
b.
Worn piston rings and valves.
Engine temperature - Cold running engines in-
crease CO production.  Engine cooling water
system design and selection of thermostat(s)
are primary considerations affecting   engine
operating temperature.  Generally, an engine
produces less CO if it operates at a relatively
high  temperature    within   manufacturer’s
specifications.
Current CO  detector technology can  be broken down
into three major categories: single-point, multi-point, and
fully-integrated; the difference being the degree to which
each type of unit considers exposure time.
1.
Single-point Detection: The single-point detector will
sound the alarm whenever the detector senses that
a single preset PPM (Parts Per Million) level of CO
has been exceeded.
c.
Exhaust Back-Pressure - Certain alterations to
the exhaust system may increase engine ex-
haust back pressure and CO production.
d.  Restricted engine room or compartment ventila-
tion.
2.
Multi-point Detection: The multi-point detector alarm
will sound at a number of selected CO levels.  The
multi-point detector  may include  several different
measuring time periods with their corresponding dif-
ferent PPM CO level alarm settings.
Q.   Maintenance - External Conditions
External conditions that contribute to inefficient engine
performance are:
3.
Fully-integrated Detection: The fully-integrated de-
tector will sound an alarm to any combination of PPM
CO level  and exposure  time that  would cause  a
health hazard.
1.
2.
Fouled hull bottom.
Damaged and fouled running gear (propeller and
trim tabs).
NOTICE
A CO detector is not a gas/fuel vapor detector.
Gas/fuel vapor  detectors do  not monitor  the
buildup  of carbon  monoxide  in an  enclosed
area.   For further  information on the  design,
construction, and testing of boats in consider-
ation of carbon monoxide, see ABYC TH-23.
3.
Incorrect selection of propeller size.
R.   CO Detection Systems
Four Winns strongly recommends that you have a CO
detector professionally installed on your boat by your
Four Winns dealer.   This is especially  encouraged if
your boat has canvas enclosures or enclosed sleep-
ing areas.
NOTICE
Detectiondevicesshouldmeettherequirements
ofABYCA-24“CarbonMonoxideDetectionSys-
tems on Boats”.
CO monitors should be professionally installed
and calibrated.  Failure to do so may result in
the improper function of the CO detector.
Owner’s Manual
05/00
Section H
Page 7
Product Specification
CategoriesFour Winns Horizon Manuals, Four Winns Manuals, Four Winns Sundowner Manuals, Outboard Marine Corporation Manuals
Tags, , , , ,
Model Year2000
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- 140 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Publisherfourwinns.com
Wikipedia's PageOutboard Marine Corporation
CopyrightAttribution Non-commercial
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